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发明名称
球阀(918)
摘要
主要创作部位在于阀体中间部位圆弧形外形和底部长方形凸块所组成的整体外形。
申请公布号
CN301099310D
申请公布日期
2009.12.30
申请号
CN200930002290.3
申请日期
2009.02.19
申请人
董服义
发明人
董服义
分类号
23-01
主分类号
23-01
代理机构
代理人
主权项
地址
317600浙江省玉环县城关镇鳝湾
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